Home / 2,250,156.78-3,105,192.70-1,217,641.97

Finding the Fourth Proportional to 2,250,156.78, 3,105,192.70 and 1,217,641.97

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Solution

The fourth proportional to 2,250,156.78, 3,105,192.70 and 1,217,641.97 is: 1,680,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,156.78 : 3,105,192.70 = 1,217,641.97 : x
  2. Step 2: Convert to fraction form
    2,250,156.78/3,105,192.70 = 1,217,641.97/x
  3. Step 3: Cross multiply
    2,250,156.78x = 3,105,192.70 × 1,217,641.97
  4. Step 4: Simplify right side
    2,250,156.78x = 3,781,012,937,887.55
  5. Step 5: Solve for x
    x = 3,781,012,937,887.55/2,250,156.78
  6. Step 6: Final answer
    x = 1,680,333.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.